Which AI?

New guide · model selection · 2026

Stop guessing which AI to use.

There are now dozens of AI models, and they all claim to be the best. This plain-English guide shows you how to choose the right one for each task, how to read the benchmarks without being fooled, how to test the models on your own work, and how to run models privately on your own machine.

Get the free guide Go deeper, Pro

Every term explained · No assumed knowledge

25 seconds
Free guide

The map, in plain English.

The four families of model · how to read a benchmark · building your own ten-task test · the one-key way to try them all · a task-to-model cheat sheet · the privacy traffic-light · local models explained.

The right model per task

Documents, tables, writing, numbers, coding, translation and confidential files.

Test them yourself

A one-afternoon method that ranks models on your own work, not someone's leaderboard.

One key, every model

Sign up once, compare dozens of models for a few cents each.

Download the free guide (PDF)
Pro edition

The complete model-selection system, $49

The named models of late 2026 · the full task router · a hardware guide (what runs on which machine) · local setup, step by step · the honest pros and cons of going local · a cost calculator · and a quarterly update plan.

  • Frontier, open and local, with real numbers
  • What to run on a 16 GB laptop, a 24 GB card, or a modern Mac
  • Privacy, cost and speed, side by side
Buy the Pro edition, $49

Or contact us about running models privately for your organisation, local setup is more complex, and we can do it for you.

Which AI Pro cover

Want models chosen and set up for you?

We benchmark the leading models on your real tasks and, if you need it, install a private model on your own machines.

contact@evaluationai.com